Which of the following is/are the example/ examples of chemical change ?
1. Crystallization of sodium chloride
2. Melting of ice
3. Souring of milk
Select the correct answer using the code given below:
-
A.
1 and 2 only
-
B.
3 only
-
C.
1,2 and 3
-
D.
None
Correct Answer:
B. 3 only
Explanation:
Chemical changes happen when substances combine or break down to create entirely new materials. Unlike physical changes, such as ice melting or salt crystallizing, chemical reactions like the souring of milk result in a different chemical identity.
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